CN107634749A - A kind of conductive film and preparation method, device - Google Patents
A kind of conductive film and preparation method, device Download PDFInfo
- Publication number
- CN107634749A CN107634749A CN201711023459.3A CN201711023459A CN107634749A CN 107634749 A CN107634749 A CN 107634749A CN 201711023459 A CN201711023459 A CN 201711023459A CN 107634749 A CN107634749 A CN 107634749A
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- screen layer
- conductive film
- touch
- touch unit
- unit
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Abstract
The present invention discloses a kind of conductive film and preparation method, device, wherein conductive film includes basic unit, latticed screen layer is printed with basic unit, some headspaces are etched in screen layer, touch unit is respectively arranged with headspace, gap between screen layer and touch unit be present, coating is set on screen layer and touch unit.The present invention can be by interference touch signal that touch unit therein induces to masking with latticed screen layer by being pre-printed out in basic unit, directly obtain the touch signal between user's finger, so as to improve touch precision, and the conductive film can prevent the touch unit inside the dust or dirt entrance of outside by coating whole installation, so as to strengthen the service life of conductive film touch.
Description
Technical field
The present invention relates to electronic device field, and in particular to a kind of conductive film and preparation method, device.
Background technology
Switching device is household electrical appliance or office equipment band as electrical equipment or the electronic equipment of electronic equipment on or off
Greatly facilitate, play certain effect in daily life.
At present, grasped due to the switching device of traditional electrical equipment typically by way of rotary switch or mechanical key
Make, because a certain degree of abrasion can occur during long-term use for mechanical key, and in much time using, pass
It can accumulate substantial amounts of dirt in the gap of system mechanical keyswitch, cause the switching device to be damaged, button can not be produced
Signal, and the button of the switching device is during normal use, can be by external noise and non-artificial switch-on keying
Caused interference signal so that switching device, which is switched on, produces incoherent push button signalling, causes button that maloperation phenomenon occurs.
The content of the invention
Therefore, technical problems to be solved of the embodiment of the present invention are that switching device of the prior art is easily damaged
With cause maloperation phenomenon.
Therefore, the embodiments of the invention provide following technical scheme：
The embodiment of the present invention provides a kind of conductive film, including basic unit, and latticed shielding is printed with the basic unit
Layer, some headspaces are etched in the screen layer, touch unit, the screen are respectively arranged with the headspace
Cover between layer and the touch unit and gap be present, coating is set on the screen layer and the touch unit.
Alternatively, the material of the screen layer is conductive silver paste.
Alternatively, the material of the coating is transparent material.
Alternatively, the touch unit includes multiple touch subelements.
Alternatively, the touch unit is touch sensor switch.
The embodiment of the present invention provides a kind of conductive film preparation method, for described conductive film, comprises the following steps：
The screen layer of printing net trellis in the basic unit；
Perform etching to form some headspaces in the reserved area of the screen layer；
The touch unit is set in the headspace, between existing between the screen layer and the touch unit
Gap；
The top of the screen layer and the touch unit is encapsulated in using the coating, forms the conductive film.
Alternatively, the material of the screen layer is conductive silver paste.
Alternatively, the material of the coating is transparent material.
The embodiment of the present invention provides a kind of conductive film preparation facilities, for described conductive film, including following module：
Printing module, the screen layer for the printing net trellis in the basic unit；
Etch module, for performing etching to form some headspaces in the reserved area of the screen layer；
Setup module, for setting the touch unit in the headspace, the screen layer touches list with described
Gap between member be present；
Module is formed, for being encapsulated in the top of the screen layer and the touch unit using the coating, is formed
The conductive film.
Technical scheme of the embodiment of the present invention, has the following advantages that：
The present invention, which provides a kind of conductive film and preparation method, device, wherein conductive film, to be included basic unit, is printed in basic unit
Brushed with latticed screen layer, some headspaces are etched in screen layer, it is single that touch is respectively arranged with headspace
Member, gap between screen layer and touch unit be present, coating is set on screen layer and touch unit.The present invention is by base
Being pre-printed out on layer can be by interference touch signal that touch unit therein induces to screen with latticed screen layer
Cover, directly obtain the touch signal between user's finger, so as to improve touch precision, and the conductive film is whole by coating
Body sets the dust that can prevent outside or dirt to enter internal touch unit, so as to which strengthen conductive film touch uses the longevity
Life.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structured flowchart of conductive film in the embodiment of the present invention 1；
Fig. 2 is the structural representation of conductive film in the embodiment of the present invention 1；
Fig. 3 is that the screen layer of conductive film in the embodiment of the present invention 1 senses touch signal without latticed touch unit
Schematic diagram；
Fig. 4 is that the screen layer of conductive film in the embodiment of the present invention 1 senses touch signal with latticed touch unit
Schematic diagram；
Fig. 5 is that the screen layer of conductive film in the embodiment of the present invention 1 senses touch signal with latticed touch unit
Another schematic diagram；
Fig. 6 is the schematic diagram of the touch unit of conductive film in the embodiment of the present invention 1；
Fig. 7 is the flow chart of conductive film preparation method in the embodiment of the present invention 2；
Fig. 8 is the structured flowchart of conductive film preparation facilities in the embodiment of the present invention 3.
Reference：
1- basic units；2- screen layers；3- touch units；4- coatings.
Embodiment
The technical scheme of the embodiment of the present invention is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment be part of the embodiment of the present invention, rather than whole embodiment.It is general based on the embodiment in the present invention, this area
The every other embodiment that logical technical staff is obtained under the premise of creative work is not made, belong to what the present invention protected
Scope.
, it is necessary to explanation in the description of the embodiment of the present invention, term " " center ", " on ", " under ", "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship,
It is for only for ease of the description embodiment of the present invention and simplifies and describe, rather than indicates or imply that signified device or element must have
There is specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the embodiment of the present invention
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
The connection of two element internals is can also be, can be wireless connection or wired connection.For the common skill of this area
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It is be combined with each other into conflict can.
Embodiment 1
The present invention provides a kind of conductive film, as shown in figure 1, including basic unit 1, latticed screen is printed with basic unit 1
Cover layer 2, some headspaces etched in screen layer 2, be respectively arranged with touch unit 3 in headspace, screen layer 2 with
Gap be present between touch unit 3, coating 4 is set on screen layer 2 and touch unit 3.
Specifically, as shown in Fig. 2 the conductive film in the embodiment of the present invention is a kind of soft film, by basic unit 1
On print out latticed screen layer 2 in advance, in order to will interference touch signal to being masked.Such as：When receiving one on screen layer 2
The interference signal of individual noise or the globule, ground wire can be directed it out quickly through latticed screen layer 2 is formed, to the noise or
The interference signal of the globule masks, and the touch unit 3 that can to set in screen layer 2 directly obtains the touch between user's finger
Signal, therefore the latticed screen layer 2 can cause the accuracy for obtaining the touch signal between user's finger to improve.
As shown in figure 3, be that it can not mask water droplet signal and noise signal without latticed screen layer 2, and
Fig. 4 is with latticed screen layer 2, even if noise signal and water droplet signal meet predetermined threshold value, can also be masked.Such as
Shown in Fig. 5, for latticed screen layer 2, touch unit 3 is touch sensor, grid is direct after being filled by conductive material
Ground connection.
As a kind of optional implementation, the conductive film in the embodiment of the present invention, the material of screen layer 2 is conductive silver
Slurry.Conductive silver slurry is divided into two classes:1. polymer conductive silver slurry (dried or cured film forming, bonding is used as using organic polymer
Phase)；2. slug type conductive silver slurry (sintering film forming, sintering temperature>500 DEG C, glass dust or oxide are as bonding phase).Silver powder
According to particle size classification, average grain diameter<0.1 μm (100nm) is nano-silver powder；0.1μm<10.0 μm of Dav (average grain diameter) is raw Ag powder.
Forming three classifications of silver conductive paste needs different classes of silver powder or combination to be used as in conductive filler, or even each classification not
Need different silver powder as conducting function material with formula, it is therefore an objective to it is determined that formula or film-forming process under, with minimum
Silver powder realizes the maximum utilization of silver-colored electric conductivity and thermal conductivity, is related to optimization and the cost of film performance.So in screen layer 2
It is latticed that conductive path is formed by conductive silver paste, interference signal is turned on and is grounded.
As a kind of optional implementation, the conductive film in the embodiment of the present invention, the material of coating 4 is transparent material
Material.Coating 4 is transparent material, and it is directly contacted with certain thickness with touch unit 3 in screen layer 2, transparent by this
Coating 4, user can be immediately seen touch unit 3, therefore can complete to touch by coating 4 directly against touch unit 3, so
Coating 4 is also to be made up of soft transparent material, passes through the touch unit in the touch screen layer 2 of coating 4, and its maximum touches
Effective thickness is 1.5mm.Conductive film in the present embodiment can prevent dust or the dirt of outside by the whole installation of coating 4
Touch unit 3 inside dirt entrance, so as to strengthen the service life of conductive film touch.
As a kind of optional implementation, the conductive film in the embodiment of the present invention, touch unit 3 includes multiple touches
Subelement.Such as：As shown in fig. 6, conductive film is applied in air-conditioning remote control or automotive air-conditioning controller, touch unit 3
By OFF, totally three soft-touch controls composition touch units 3 of air quantity-and air quantity+, the OFF, air quantity-and air quantity to touch subelement,
Touched for user by touch area thereon.
As a kind of optional implementation, the conductive film in the embodiment of the present invention, touch unit 3 is opened for touch sensing
Close.Touch unit 3 is substantially equivalent to touch sensor, and soft-touch control signal can be induced by the touch sensor.
Embodiment 2
The embodiment of the present invention provides a kind of conductive film preparation method, for the conductive film in embodiment 1, such as Fig. 7 institutes
Show, comprise the following steps：
S71, in basic unit printing net trellis screen layer.The present embodiment is the preparation method of conductive film in embodiment 1,
So latticed screen layer is printed out in basic unit first, for the noise of interference or water droplet signal shielding to be fallen, so as to
The touch signal between user's finger is directly obtained, improves and touches precision.
S72, in the reserved area of screen layer perform etching to form some headspaces.Perform etching to be formed in screen layer
The region of certain headspace, in order to further set touch unit so that user can be touched.
S73, touch unit is set in headspace, gap between screen layer and touch unit be present.In headspace
The touch unit of middle setting is essentially touch sensor, and for sensing the touch signal between user's finger, screen layer is with touching
The purpose that gap between unit be present is that screen layer is served only for interference signal screen because screen layer will not turn on touch unit
Cover, the touch signal between user's finger will not be masked.
S74, the top for being encapsulated in using coating screen layer and touch unit, form conductive film.Finally, because shielding
Layer basically forms with touch unit, is completely led so needing to be formed in the top of screen layer and touch unit encapsulation upper caldding layer
Conductive film, used available on household electrical appliance or office equipment as a kind of soft-touch control, drastically increase touch precision and
Touch efficiency.
As a kind of optional implementation, the conductive film preparation method in the embodiment of the present invention, the material of screen layer
For conductive silver paste.Conductive path is formed by conductive silver paste, interference signal is masked, touch signal between enhancing user's finger
Precision.
As a kind of optional implementation, the conductive film preparation method in the embodiment of the present invention, the material of coating
For transparent material.Coating is transparent material, and it is directly contacted with certain thickness with touch unit in screen layer, saturating by this
Bright coating, user can be immediately seen touch unit, therefore can complete to touch by coating directly against touch unit, so
Coating is also to be made up of soft transparent material, and the touch unit in screen layer is touched by coating, and its maximum touch has
Effect thickness is 1.5mm.
Embodiment 3
The embodiment of the present invention provides a kind of conductive film preparation facilities, for the conductive film in embodiment 1, such as Fig. 8 institutes
Show, including following module：
Printing module 81, the screen layer for the printing net trellis in basic unit.So grid is printed out in basic unit first
The screen layer of shape, for the noise of interference or water droplet signal shielding to be fallen, so as to directly obtain the letter of the touch between user's finger
Number, improve and touch precision.
Etch module 82, for performing etching to form some headspaces in the reserved area of screen layer.In screen layer
The region to form certain headspace is performed etching, in order to further set touch unit so that user can be touched.
Setup module 83, for setting touch unit in headspace, gap between screen layer and touch unit be present.
The touch unit set in headspace is essentially touch sensor, for sensing the touch signal between user's finger, screen
Cover exist between layer and touch unit gap purpose be because screen layer will not be turned on touch unit, screen layer be served only for by
Interference signal masks, and will not mask the touch signal between user's finger.
Module 84 is formed, for being encapsulated in the top of screen layer and touch unit using coating, forms conductive film.Most
Afterwards, because screen layer basically forms with touch unit, need to encapsulate upper caldding layer in the top of screen layer and touch unit
Complete conductive film is formed, uses, is greatly enhanced as a kind of soft-touch control available on household electrical appliance or office equipment
Touch precision and touch efficiency.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (9)
1. a kind of conductive film, it is characterised in that including basic unit, latticed screen layer is printed with the basic unit, in institute
State and some headspaces etched in screen layer, be respectively arranged with touch unit in the headspace, the screen layer with
Gap be present between the touch unit, coating is set on the screen layer and the touch unit.
2. conductive film according to claim 1, it is characterised in that the material of the screen layer is conductive silver paste.
3. conductive film according to claim 1, it is characterised in that the material of the coating is transparent material.
4. conductive film according to claim 1, it is characterised in that the touch unit includes multiple touch subelements.
5. conductive film according to claim 4, it is characterised in that the touch unit is touch sensor switch.
A kind of 6. conductive film preparation method, for the conductive film described in claim any one of 1-5, it is characterised in that bag
Include following steps：
The screen layer of printing net trellis in the basic unit；
Perform etching to form some headspaces in the reserved area of the screen layer；
The touch unit is set in the headspace, gap be present between the screen layer and the touch unit；
The top of the screen layer and the touch unit is encapsulated in using the coating, forms the conductive film.
7. preparation method according to claim 6, it is characterised in that the material of the screen layer is conductive silver paste.
8. preparation method according to claim 6, it is characterised in that the material of the coating is transparent material.
A kind of 9. conductive film preparation facilities, for the conductive film described in claim any one of 1-5, it is characterised in that bag
Include following module：
Printing module, the screen layer for the printing net trellis in the basic unit；
Etch module, for performing etching to form some headspaces in the reserved area of the screen layer；
Setup module, for setting the touch unit in the headspace, the screen layer and the touch unit it
Between gap be present；
Module is formed, for being encapsulated in the top of the screen layer and the touch unit using the coating, described in formation
Conductive film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711023459.3A CN107634749A (en) | 2017-10-27 | 2017-10-27 | A kind of conductive film and preparation method, device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711023459.3A CN107634749A (en) | 2017-10-27 | 2017-10-27 | A kind of conductive film and preparation method, device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107634749A true CN107634749A (en) | 2018-01-26 |
Family
ID=61105653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711023459.3A Pending CN107634749A (en) | 2017-10-27 | 2017-10-27 | A kind of conductive film and preparation method, device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107634749A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019153442A1 (en) * | 2018-02-08 | 2019-08-15 | 深圳市卓汉材料技术有限公司 | Microstress grounding and shielding elastomer |
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| CN101617378A (en) * | 2007-02-06 | 2009-12-30 | 三菱自动车工业株式会社 | Touch switch structure |
| CN202649985U (en) * | 2012-02-16 | 2013-01-02 | 洋华光电股份有限公司 | Electromagnetic shielding structure for transparent capacitive touch tablet |
| US20140097857A1 (en) * | 2012-10-05 | 2014-04-10 | Touchplus Information Corp. | Capacitive touch keyboard |
| CN204332775U (en) * | 2014-09-28 | 2015-05-13 | 松下家电研究开发（杭州）有限公司 | Film key |
| US20160011704A1 (en) * | 2013-06-18 | 2016-01-14 | Tpk Touch Solutions (Xiamen) Inc. | Touch display device |
| CN205961084U (en) * | 2016-08-31 | 2017-02-15 | 广东德怡电子科技有限公司 | Film formula touch switch of microwave oven usage |
| CN207265997U (en) * | 2017-10-27 | 2018-04-20 | 大明电子有限公司 | A kind of conductive film |
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2017
- 2017-10-27 CN CN201711023459.3A patent/CN107634749A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101617378A (en) * | 2007-02-06 | 2009-12-30 | 三菱自动车工业株式会社 | Touch switch structure |
| CN202649985U (en) * | 2012-02-16 | 2013-01-02 | 洋华光电股份有限公司 | Electromagnetic shielding structure for transparent capacitive touch tablet |
| US20140097857A1 (en) * | 2012-10-05 | 2014-04-10 | Touchplus Information Corp. | Capacitive touch keyboard |
| US20160011704A1 (en) * | 2013-06-18 | 2016-01-14 | Tpk Touch Solutions (Xiamen) Inc. | Touch display device |
| CN204332775U (en) * | 2014-09-28 | 2015-05-13 | 松下家电研究开发（杭州）有限公司 | Film key |
| CN205961084U (en) * | 2016-08-31 | 2017-02-15 | 广东德怡电子科技有限公司 | Film formula touch switch of microwave oven usage |
| CN207265997U (en) * | 2017-10-27 | 2018-04-20 | 大明电子有限公司 | A kind of conductive film |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019153442A1 (en) * | 2018-02-08 | 2019-08-15 | 深圳市卓汉材料技术有限公司 | Microstress grounding and shielding elastomer |
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| CB02 | Change of applicant information |
Address after: No. M-1, West Industrial Zone, Hongqiao Town, Yueqing City, Wenzhou City, Zhejiang Province, 325608 (Branch office: No. 1, Area A, Science and Technology Innovation Park, Hongqiao Town, Yueqing City (in Yueqing Zhongtaizhi Aluminum Door and Window Decoration Co., Ltd.) Applicant after: Daming Electronics Co.,Ltd. Address before: 325608 no.m-1, West Industrial Zone, Hongqiao Town, Yueqing City, Wenzhou City, Zhejiang Province Applicant before: DAMING ELECTRONIC CO.,LTD. |
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